most citedThe strong converse inequality for de la Vallée Poussin means on the sphere

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math.CA2011★ 1 cited

The strong converse inequality for de la Vallée Poussin means on the sphere

Ruyue Yang, Feilong Cao, Jingyi Xiong

This paper discusses the approximation by de la Vallée Poussin means on the unit sphere. Especially, the lower bound of approximation is studied. As a main result, the stron…